PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-16:43:00
G01     87.1           31.9                8.3 +/-    1.14      14.0 +/-    1.14  0.030 / 0.090
G07     127.7          38.5               10.1 +/-    0.92      15.0 +/-    0.92  0.040 / 0.080
G11     65.4           39.1                6.7 +/-    0.87      10.0 +/-    0.87  0.050 / 0.070
G13     291.5          37.5                8.9 +/-    0.92      13.5 +/-    0.92  0.040 / 0.050
G15     313.4          11.2                9.0 +/-    3.70      24.4 +/-    3.70  0.070 / 0.100
G17     215.1          54.3               11.3 +/-    0.92      13.6 +/-    0.92  0.060 / 0.080
G18     60.3           22.8                6.9 +/-    0.80      14.3 +/-    0.80  0.060 / 0.110
G19     214.7          29.8                8.9 +/-    1.58      15.7 +/-    1.58  0.070 / 0.130
G28     341.3          61.6                7.9 +/-    0.73       8.8 +/-    0.73  0.080 / 0.200